| 摘要 |
A capacitor embedded ignition coil for minimizing a current supply loop of primary and secondary coils is provided to obtain a stability of a power source and signals in a vehicle by reducing noise discharged to outside. A capacitor embedded ignition coil used for an ignition circuit, which ignites a gasoline engine includes a capacitor, a semiconductor switch, a primary ignition coil, and a secondary ignition coil. The capacitor is connected to a ground without using a source voltage connection of the secondary ignition coil. The capacitor supplies power to discharge the secondary ignition coil and stabilizes a voltage of the primary ignition coil. The semiconductor switch controls the primary ignition coil.
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